Beer is considered to be older than wine, yet there is speculation that because grapes contained natural yeast on the skins, they were thrown into every fermentation, whether it was for beer or for wine.

Alcohol was probably consumed by humans before 8,000 years ago, but right now that is as far back as the proof goes.

Look for the book, Ancient Wineâ€”the Search for the Origins of Viniculture by McGovern, Patrick E.